Table 1.
Demographic characteristics among shift and day workers (N = 94) participating in the study.
| Variables | Shift Workers Plant A (N = 42) |
Shift Workers Plant B (N = 23) |
Day Workers Plant B (N = 29) |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Number | Mean | SD | Number | Mean | SD | Number | Mean | SD | |
| Age (years) | 40.5 | 11.0 | 40.0 | 12.5 | 49.7 | 8.5 | |||
| Women | 5 | 1 | 7 | ||||||
| BMI (kg/m2) | 27.2 | 5.2 | 26.4 | 4.4 | 28.2 | 4.0 | |||
| Pack-years | 9.2 | 14.4 | 5.0 | 8.0 | 8.4 | 10.2 | |||
| Daily smokers | 11 | 3 | 2 | ||||||
| College/University | 2 | 1 | 9 | ||||||
| No. of years as shift worker | 14.5 | 10.1 | 15.0 | 9.9 | 8.3 | 7.3 * | |||
| PA, high intensity (min) | 90.1 | 145 | 67.0 | 69.0 | 121.3 | 136 * | |||
Adjusted for age; significantly different from all shift workers *, p < 0.05. PA: Physical activity.